Soft washing has become the preferred method for safely cleaning homes without causing damage to siding, roofs, or delicate surfaces. If you’re a homeowner wondering how much it costs to soft wash a house, this guide will give you a complete breakdown, including pricing by size, materials, stories, and optional add-ons.
Disclaimer: The prices mentioned in this article are estimates and not actual quotes from Jacobson’s Power Washing. Actual prices vary based on location, house condition, and service provider.
Short Answer — How Much Does It Cost to Soft Wash a House?
On average, soft washing a house in the U.S. ranges from $150 to $700, depending on size, number of stories, siding type, and additional services.
- Cost per square foot: Typically $0.12–$0.25
- Small homes: $150–$250
- Medium homes: $250–$400
- Large homes: $450–$700
Factors that affect pricing include the size of the house, number of stories, siding material, extent of dirt, algae, or mold, and optional add-ons like driveway, roof, or gutter cleaning.
Soft washing is generally more expensive than pressure washing due to the use of specialized chemicals and safer cleaning techniques.
How Much Does It Cost to Soft Wash a House on Average?
Here’s a breakdown of average costs:
- Small house (up to 1,500 sq ft): $150–$300
- Medium house (1,500–2,500 sq ft): $250–$450
- Large house (2,500–4,000+ sq ft): $350–$700
Cost by stories:
- Single story: Base pricing
- Two-story: +20–30%
- Three-story: +40–60%
Cost per square foot: $0.12–$0.25
Minimum service cost: Many companies have a $150–$200 minimum to cover travel and labor.
Add-on services: Roof cleaning, driveway, deck, fence, gutter cleaning, or mold treatment can increase costs by $50–$200.
What Is Soft Washing and Why It Affects the Cost
Soft washing is a low-pressure cleaning method that uses specialized detergents and algaecides to remove dirt, mold, algae, and other contaminants without damaging surfaces. Unlike traditional pressure washing, soft washing is gentle enough for vinyl siding, wood, and roofs.
- How it works: Chemicals break down dirt and biological growth, then water gently rinses it off.
- Chemicals used: Sodium hypochlorite, surfactants, and eco-friendly cleaners.
- Why it costs more: Requires specialized chemicals, professional equipment, and trained operators.
- Surfaces that require soft washing: Vinyl siding, stucco, wood, fiber cement, roofs, and delicate masonry.
- Benefits: Longer-lasting cleaning, safer on fragile surfaces, reduces risk of water intrusion or surface damage.
- Lifespan of cleaning: Typically 1–3 years depending on weather and exposure.
Soft Washing vs Pressure Washing Cost Difference
Soft washing may cost 10–30% more than pressure washing, but it prevents damage and reduces the need for repainting or repairs, making it more cost-effective long-term.
Why Soft Washing Prices Vary So Much
- House size and stories
- Type of siding or roofing
- Condition of surfaces (mold or algae)
- Regional labor costs
- Optional add-ons like deck or driveway cleaning
Is Soft Washing Worth the Cost?
Absolutely, especially for delicate siding, roofs, or homes with persistent mold/algae. The slightly higher upfront cost protects your investment.
Soft Washing House Cost Breakdown
| House Size | Average Cost | Cost Per Sq Ft |
| 1,000 sq ft | $150–$250 | $0.15–$0.25 |
| 1,500 sq ft | $200–$300 | $0.15–$0.22 |
| 2,000 sq ft | $250–$400 | $0.15–$0.20 |
| 2,500 sq ft | $300–$450 | $0.14–$0.18 |
| 3,000 sq ft | $350–$500 | $0.12–$0.17 |
| 4,000+ sq ft | $450–$700 | $0.12–$0.16 |
Cost by Number of Stories
- Single story: Base cost
- Two-story: +20–30%
- Three-story: +40–60%
Cost by Siding Type
- Vinyl siding: Base pricing
- Brick: +$50–$100
- Stucco: +$75–$150
- Wood siding: +$100–$200
- Fiber cement: +$50–$100
- Aluminum siding: Base to +$50
Additional Soft Washing Costs
- Roof soft wash: $75–$200
- Driveway cleaning: $50–$150
- Deck cleaning: $50–$150
- Fence cleaning: $40–$100
- Gutter cleaning: $50–$125
- Mold/algae treatment: $50–$150
Factors That Affect Soft Washing Cost
- House size
- Number of stories
- Siding material
- Amount of dirt, mold, algae
- Location and regional labor costs
- Accessibility (steep roofs, tall fences)
- Water source availability
- Chemical usage and strength
- Labor time required
- Travel costs for company
- Optional add-on services
- Frequency (one-time vs maintenance cleaning)
How Soft Washing Pricing Is Calculated
- Measure square footage
- Inspect siding material
- Check for mold, algae, and stains
- Determine chemical strength needed
- Calculate labor time
- Add equipment and chemical costs
- Add overhead and profit
- Final quote calculation
- Include optional services
- Provide final estimate to homeowner
How Much Does It Cost to Soft Wash a House Based on Size
Example 1: 1,500 sq ft home → $200–$300
Example 2: 2,500 sq ft home → $300–$450
Example 3: 3,500 sq ft home → $400–$600
Soft Washing Cost Comparison Table
| House Size | Average Cost | Cost Per Sq Ft | Time Required |
| 1,000 sq ft | $150–$250 | $0.15–$0.25 | 1–2 hrs |
| 1,500 sq ft | $200–$300 | $0.15–$0.22 | 2–3 hrs |
| 2,000 sq ft | $250–$400 | $0.15–$0.20 | 2–4 hrs |
| 2,500 sq ft | $300–$450 | $0.14–$0.18 | 3–5 hrs |
| 3,000 sq ft | $350–$500 | $0.12–$0.17 | 4–6 hrs |
| 4,000+ sq ft | $450–$700 | $0.12–$0.16 | 5–7 hrs |
People Also Ask — Soft Washing Cost Questions
- Is soft washing a house expensive?
- How long does soft washing last?
- How often should you soft wash a house?
- Is soft washing better than pressure washing?
- Can I soft wash my house myself?
- What chemicals are used in soft washing?
- Does soft washing increase home value?
- How long does it take to soft wash a house?
DIY vs Professional Soft Washing Cost
DIY Soft Washing Cost
- Equipment: $50–$100
- Chemicals: $30–$50
- Time: 5–8 hours for average house
- Risk of damage: Medium (improper pressure or chemicals can harm surfaces)
Professional Soft Washing Cost
- Equipment and chemicals included
- Insurance and trained operators
- Faster: 2–4 hours
- Longer-lasting results
- Lower risk of damage
DIY vs Professional Cost Comparison Table
| Option | Average Cost | Time | Risk Level | Results |
| DIY Soft Wash | $80–$150 | 5–8 hrs | Medium | Good |
| Professional Soft Wash | $250–$500 | 2–4 hrs | Low | Excellent |
How to Save Money on Soft Washing a House
- Schedule off-season cleaning
- Bundle services (roof, driveway, deck together)
- Maintain regular cleaning to prevent heavy buildup
- Get multiple quotes
- Combine driveway and house cleaning in one visit
- Opt for a maintenance cleaning plan
FAQs — How Much Does It Cost to Soft Wash a House?
- How much does it cost to soft wash a house per square foot? $0.12–$0.25 per sq ft.
- How much does it cost to soft wash a 2000 sq ft house? $250–$400 on average.
- Is soft washing cheaper than pressure washing? Usually slightly more expensive due to specialized chemicals and safer methods.
- How often should I soft wash my house? Every 1–3 years depending on climate and algae/mold growth.
- How long does soft washing last? 1–3 years on average.
- Can I soft wash my house myself? Yes, but professional services reduce risk of damage.
- Does soft washing damage siding? Not if done correctly; DIY mistakes can cause damage.
- Why is soft washing expensive? Specialized chemicals, trained operators, and safer low-pressure techniques increase cost.
- How long does it take to soft wash a house? 2–6 hours depending on size and add-ons.
- Do soft washing companies charge minimum fees? Yes, typically $150–$200.
Conclusion — Soft Washing House Cost Summary
Soft washing and pressure washing are both effective cleaning methods, but soft washing is a safer, low-pressure technique that keeps your home clean and protected, while costs typically range from $150 to $700 depending on size, stories, siding, and optional services.
- Average cost summary: $150–$700
- Cost per square foot: $0.12–$0.25
- Best way to estimate cost: Measure house size, siding type, and check for mold/algae
- When soft washing is worth it: Delicate siding, roofs, or homes with persistent algae/mold
- Professional recommendation: Hire a reputable company for the best long-term results and minimal risk.